Home / 876,271.24-1,209,117.54-494,288.20

Finding the Fourth Proportional to 876,271.24, 1,209,117.54 and 494,288.20

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Solution

The fourth proportional to 876,271.24, 1,209,117.54 and 494,288.20 is: 682,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,271.24 : 1,209,117.54 = 494,288.20 : x
  2. Step 2: Convert to fraction form
    876,271.24/1,209,117.54 = 494,288.20/x
  3. Step 3: Cross multiply
    876,271.24x = 1,209,117.54 × 494,288.20
  4. Step 4: Simplify right side
    876,271.24x = 597,652,532,435.03
  5. Step 5: Solve for x
    x = 597,652,532,435.03/876,271.24
  6. Step 6: Final answer
    x = 682,040.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.